Baby diarrhea can be caused by improper feeding, climatic factors and other physiological factors, if accompanied by other discomforts, it is mostly considered intestinal diseases. 1. Improper feeding: such as excessive stimulating food intake, overeating, diet unhygienic, etc., can lead to baby diarrhea, generally can be relieved on their own. 2. Climatic factors: mainly seen in the climate suddenly turned cold, the baby easy to catch a cold, stimulate the intestinal tract, triggering diarrhea. 3. Intestinal diseases: mainly for a variety of intestinal infections, such as rotavirus, amoeba, Escherichia coli, Candida and other pathogenic bacteria triggered by infections, as well as ulcerative colitis, Crohn’s disease, ischemic enteritis and other intestinal disorders can lead to diarrhea manifestations. Baby diarrhea may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.